/* ============================================================
   TEORÍAS DE LA PERSONALIDAD — Hoja de estilos principal
   ============================================================ */

:root {
  --color-bg: #0f1226;
  --color-bg-light: #f7f6fb;
  --color-primary: #6c4bd6;
  --color-primary-light: #9b7bf0;
  --color-secondary: #1fb6a8;
  --color-gold: #e8b64d;
  --color-dark: #171334;
  --color-text: #2c2a4a;
  --color-text-light: #6a6790;
  --color-white: #ffffff;
  --shadow-soft: 0 15px 35px rgba(30, 20, 70, 0.12);
  --shadow-strong: 0 25px 50px rgba(30, 20, 70, 0.25);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --transition: all 0.35s ease;
  font-size: 16px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Segoe UI', sans-serif;
  color: var(--color-text);
  background: var(--color-bg-light);
  overflow-x: hidden;
  line-height: 1.65;
}

h1, h2, h3, h4 {
  font-family: 'Poppins', 'Inter', sans-serif;
  color: var(--color-dark);
  line-height: 1.2;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(108, 75, 214, 0.08);
  padding: 6px 16px;
  border-radius: 30px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  margin-bottom: 14px;
}

.section-subtitle {
  color: var(--color-text-light);
  font-size: 1.05rem;
  max-width: 680px;
  margin-bottom: 46px;
}

.section-header {
  text-align: center;
  margin: 0 auto 46px;
  max-width: 760px;
}

.section-header .section-subtitle { margin-left: auto; margin-right: auto; }

section { position: relative; padding: 96px 0; }

/* ============================== NAV ============================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(15, 18, 38, 0.55);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(15, 18, 38, 0.92);
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--color-white);
  font-size: 1.15rem;
  font-family: 'Poppins', sans-serif;
}
.brand-mark {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 1.1rem;
}
.nav-links {
  display: flex;
  gap: 34px;
  align-items: center;
}
.nav-links a {
  color: rgba(255,255,255,0.82);
  font-weight: 500;
  font-size: 0.94rem;
  position: relative;
  padding: 6px 0;
  transition: var(--transition);
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--color-gold);
  transition: var(--transition);
}
.nav-links a:hover { color: var(--color-white); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white !important;
  padding: 10px 22px;
  border-radius: 30px;
  font-weight: 600 !important;
}
.nav-cta::after { display: none; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
}
.nav-toggle span {
  width: 26px; height: 2px; background: white; border-radius: 2px;
}

/* ============================== HERO ============================== */
#hero {
  min-height: 760px;
  display: flex;
  align-items: center;
  background: radial-gradient(circle at 20% 20%, rgba(108,75,214,0.35), transparent 45%),
              radial-gradient(circle at 85% 75%, rgba(31,182,168,0.25), transparent 50%),
              linear-gradient(160deg, #0f1226 0%, #1b1740 60%, #241a4d 100%);
  color: white;
  padding-top: 76px;
  overflow: hidden;
}
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/hero-bg.png') center/cover no-repeat;
  opacity: 0.28;
  mix-blend-mode: screen;
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 26px;
}
.hero-title {
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 700;
  color: white;
  margin-bottom: 22px;
}
.hero-title span { color: var(--color-gold); }
.hero-text {
  color: rgba(255,255,255,0.78);
  font-size: 1.08rem;
  max-width: 540px;
  margin-bottom: 34px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 46px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white;
  box-shadow: 0 12px 30px rgba(108,75,214,0.4);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 18px 36px rgba(108,75,214,0.5); }
.btn-outline {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,0.35);
  color: white;
}
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: white; }
.btn-light {
  background: white;
  color: var(--color-primary);
}
.btn-light:hover { transform: translateY(-3px); box-shadow: var(--shadow-strong); }

.hero-stats {
  display: flex;
  gap: 34px;
}
.hero-stats div { text-align: left; }
.hero-stats strong {
  display: block;
  font-size: 1.8rem;
  color: var(--color-gold);
  font-family: 'Poppins', sans-serif;
}
.hero-stats span { font-size: 0.82rem; color: rgba(255,255,255,0.65); }

.hero-visual {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
}
.hero-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  padding: 34px;
  backdrop-filter: blur(10px);
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-strong);
}
.hero-card h3 { color: white; font-size: 1.1rem; margin-bottom: 20px; }
.hero-mini-list { display: flex; flex-direction: column; gap: 14px; }
.hero-mini-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(255,255,255,0.06);
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.08);
}
.hero-mini-item .icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.hero-mini-item p { color: rgba(255,255,255,0.85); font-size: 0.88rem; font-weight: 500; }
.hero-mini-item span { color: rgba(255,255,255,0.55); font-size: 0.76rem; }

.scroll-cue {
  position: absolute;
  bottom: 28px; left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.5);
  font-size: 1.4rem;
  animation: bounce 2s infinite;
  z-index: 2;
}
@keyframes bounce {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 10px); }
}

/* ============================== PRESENTACIÓN DEL TEMA ============================== */
#presentacion { background: var(--color-white); }
.intro-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: center;
}
.intro-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  aspect-ratio: 4/3.4;
}
.intro-visual img { width: 100%; height: 100%; object-fit: cover; }
.intro-visual .badge-float {
  position: absolute;
  bottom: 20px; left: 20px;
  background: white;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  display: flex; align-items: center; gap: 12px;
}
.intro-visual .badge-float .n { font-size: 1.6rem; font-weight: 700; color: var(--color-primary); font-family: 'Poppins', sans-serif; }
.intro-visual .badge-float .t { font-size: 0.75rem; color: var(--color-text-light); }

.intro-text p { margin-bottom: 18px; color: var(--color-text-light); font-size: 1.02rem; }
.intro-highlights { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 30px; }
.highlight-item {
  background: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: 20px;
  border-left: 4px solid var(--color-secondary);
}
.highlight-item h4 { font-size: 0.98rem; margin-bottom: 6px; }
.highlight-item p { font-size: 0.85rem; color: var(--color-text-light); margin: 0; }

/* ============================== DESARROLLO / TEORÍAS ============================== */
#desarrollo {
  background: linear-gradient(180deg, #f7f6fb 0%, #efecf8 100%);
}

.theory-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 50px;
}
.tab-btn {
  padding: 11px 22px;
  border-radius: 30px;
  border: 1.5px solid rgba(108,75,214,0.25);
  background: white;
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: var(--transition);
}
.tab-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.tab-btn.active {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white;
  border-color: transparent;
  box-shadow: var(--shadow-soft);
}

.theory-panel { display: none; animation: fadeIn 0.5s ease; }
.theory-panel.active { display: grid; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

.theory-panel {
  grid-template-columns: 340px 1fr;
  gap: 44px;
  background: white;
  border-radius: var(--radius-lg);
  padding: 42px;
  box-shadow: var(--shadow-soft);
}
.theory-figure { text-align: center; }
.theory-figure img {
  width: 100%;
  aspect-ratio: 3/3.6;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  margin-bottom: 18px;
}
.theory-figure h3 { font-size: 1.2rem; margin-bottom: 4px; }
.theory-figure .years { color: var(--color-text-light); font-size: 0.85rem; margin-bottom: 12px; }
.theory-figure .tag {
  display: inline-block;
  background: rgba(31,182,168,0.12);
  color: var(--color-secondary);
  padding: 5px 14px;
  border-radius: 30px;
  font-size: 0.75rem;
  font-weight: 600;
}

.theory-content h3 { font-size: 1.4rem; margin-bottom: 14px; }
.theory-content > p { color: var(--color-text-light); margin-bottom: 22px; }
.concept-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 24px; }
.concept-card {
  background: var(--color-bg-light);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
}
.concept-card h5 { font-size: 0.88rem; color: var(--color-primary); margin-bottom: 6px; }
.concept-card p { font-size: 0.84rem; color: var(--color-text-light); margin: 0; }
.quote-box {
  border-left: 4px solid var(--color-gold);
  background: rgba(232,182,77,0.08);
  padding: 16px 22px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--color-text);
  font-size: 0.95rem;
}

/* ============================== RECURSOS / PRESENTACIÓN IA ============================== */
#recursos { background: var(--color-dark); color: white; position: relative; overflow: hidden; }
#recursos::before {
  content: '';
  position: absolute; inset: 0;
  background: url('../images/section-bg.png') center/cover no-repeat;
  opacity: 0.08;
}
#recursos .section-title, #recursos .section-label { color: white; }
#recursos .section-label { background: rgba(255,255,255,0.08); color: var(--color-gold); }
#recursos .section-subtitle { color: rgba(255,255,255,0.65); }

.presentation-frame-wrap {
  position: relative;
  z-index: 2;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-strong);
  margin-bottom: 46px;
}
.presentation-frame-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}
.presentation-frame-header h3 { color: white; font-size: 1.15rem; display: flex; align-items: center; gap: 10px; }
.presentation-frame-header .badge-ai {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.open-link {
  color: var(--color-gold);
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.presentation-embed {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #000;
}
.presentation-embed iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border: 0;
}

.resources-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.resource-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 26px;
  transition: var(--transition);
}
.resource-card:hover { transform: translateY(-6px); background: rgba(255,255,255,0.09); }
.resource-card .r-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  font-size: 1.2rem;
  margin-bottom: 16px;
}
.resource-card h4 { color: white; font-size: 1.02rem; margin-bottom: 8px; }
.resource-card p { color: rgba(255,255,255,0.6); font-size: 0.86rem; margin-bottom: 14px; }
.resource-card a { color: var(--color-gold); font-size: 0.82rem; font-weight: 600; }

/* ============================== CONTACTO ============================== */
#contacto { background: var(--color-white); }
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 50px;
}
.contact-info h3 { font-size: 1.3rem; margin-bottom: 16px; }
.contact-info p { color: var(--color-text-light); margin-bottom: 28px; }
.contact-detail { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 22px; }
.contact-detail .c-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: rgba(108,75,214,0.1);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-detail h5 { font-size: 0.92rem; margin-bottom: 2px; }
.contact-detail p { font-size: 0.86rem; margin: 0; color: var(--color-text-light); }
.social-row { display: flex; gap: 12px; margin-top: 24px; }
.social-row a {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--color-bg-light);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-primary);
  transition: var(--transition);
}
.social-row a:hover { background: var(--color-primary); color: white; }

.contact-form {
  background: var(--color-bg-light);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.84rem; font-weight: 600; margin-bottom: 8px; color: var(--color-text); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1.5px solid rgba(108,75,214,0.15);
  background: white;
  font-family: inherit;
  font-size: 0.92rem;
  color: var(--color-text);
  transition: var(--transition);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(108,75,214,0.1);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-note {
  font-size: 0.78rem;
  color: var(--color-text-light);
  margin-top: 8px;
}
.form-success {
  display: none;
  background: rgba(31,182,168,0.12);
  color: var(--color-secondary);
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  margin-top: 16px;
  font-weight: 600;
}

/* ============================== FOOTER ============================== */
footer {
  background: var(--color-bg);
  color: rgba(255,255,255,0.6);
  padding: 50px 0 26px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 34px;
}
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand span { color: white; font-weight: 700; font-family: 'Poppins', sans-serif; }
.footer-col h5 { color: white; font-size: 0.9rem; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; font-size: 0.86rem; }
.footer-col ul li a:hover { color: var(--color-gold); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.8rem;
}

/* ============================== SCROLL REVEAL ============================== */
/* El contenido es visible por defecto (progresivo/accesible); el JS solo añade
   un ligero desplazamiento de entrada cuando el navegador soporta IntersectionObserver. */
.reveal { opacity: 1; transform: none; transition: opacity 0.7s ease, transform 0.7s ease; }
.js-reveal-ready .reveal { opacity: 0; transform: translateY(24px); }
.js-reveal-ready .reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ============================== RESPONSIVE ============================== */
@media (max-width: 992px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .intro-grid, .contact-grid { grid-template-columns: 1fr; }
  .theory-panel { grid-template-columns: 1fr; }
  .theory-figure img { max-width: 260px; margin: 0 auto 18px; }
  .resources-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links {
    position: fixed; top: 76px; left: 0; right: 0;
    background: rgba(15,18,38,0.98);
    flex-direction: column; padding: 20px 24px 30px; gap: 18px;
    transform: translateY(-16px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    max-height: calc(100vh - 76px);
    overflow-y: auto;
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .nav-toggle { display: flex; }
  section { padding: 70px 0; }
  .intro-highlights { grid-template-columns: 1fr; }
  .concept-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .resources-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; }
}